Question

if the data is 50,42,35,2x+10,2x,18,12,11 is the descending order of magnitude and its median is 25,find the value of x​

Answer 1

Answer:

no of obs is even so. (taking no of obs as n)

median =

$\frac{ \frac{n}{2}th \: obs + ( \frac{n}{2}) + 1 \: th \: obs }{2}$

obs=8

so we take 4th and 5th obs

putting in formula

25=(2x+10+2x)/2

50=4x+10

4x=40

x=10

Step-by-step explanation:

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